التعريف: Active swimming organisms that live in the water column and are able to move independently of the water mass (adapted from Lincoln et al., 1998).
التعريف: hydrolases found in the venoms of cephalopods, hymenopterans, remipedes, reptiles, and mammals. Effects: prevention of blood coagulation, and the causing of vasodilation, smooth muscle contraction, pain, and inflammation.
التعريف: a sub-group of suspension feeding animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized filtering structure